Dorman 674-773 Exhaust Manifold

Dorman 674-773 Exhaust Manifold for Equinox and Terrain

This Dorman exhaust manifold is engineered to match the original fit and function on select Chevrolet Equinox and GMC Terrain models. Built from ductile iron with a rectangular port shape, it includes the gasket and bolts needed for a complete exhaust manifold repair.

Key Features

• Direct replacement exhaust manifold for select 2015-2017 Chevrolet Equinox and GMC Terrain applications
• Ductile iron construction for durable exhaust service
• Includes oxygen sensor port
• Three mounting holes for OE-style installation
• Gasket or seal included for sealing the exhaust connection
• Mounting hardware included
• Natural finish with regular grade construction
• Part number 674-773 for easy identification

Detailed Description

Dorman 674-773 is a replacement exhaust manifold built for vehicles that need an OE-style exhaust repair without changing the original layout. It is compatible with 2015-2017 Chevrolet Equinox and 2015-2017 GMC Terrain models, and it is formed in ductile iron to handle exhaust heat and long-term service demands. The manifold includes an oxygen sensor port, rectangular ports, and the gasket and bolts required to complete the repair. This part cross-references OE number 12656404 for the same application.

Common Repair Uses

• Replacing a cracked or warped exhaust manifold
• Restoring proper exhaust sealing at the cylinder head
• Addressing exhaust leaks that can trigger noise or odor concerns
• Repairing damaged oxygen sensor mounting areas
• Correcting fitment issues on a worn OE manifold

Installation Notes and Tips

Verify engine and emissions configuration before installation on your Chevrolet Equinox or GMC Terrain. Inspect the cylinder head sealing surface, exhaust fasteners, and oxygen sensor threads before assembly. Use the included gasket and bolts during installation, and confirm proper alignment of the downpipe connection and sensor port before tightening to specification.

Quality Assurance

This Dorman exhaust manifold is precision-engineered and durably manufactured to match original fit and function on specified vehicles. It is built as a direct replacement solution for 2015-2017 Chevrolet Equinox and GMC Terrain exhaust manifold service.